144531422555 has 16 divisors (see below), whose sum is σ = 186826227840. Its totient is φ = 106703948928.

The previous prime is 144531422551. The next prime is 144531422591. The reversal of 144531422555 is 555224135441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144531422555 - 2² = 144531422551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144531422551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19427 + ... + 537996.

It is an arithmetic number, because the mean of its divisors is an integer number (11676639240).

Almost surely, 2^144531422555 is an apocalyptic number.

144531422555 is a deficient number, since it is larger than the sum of its proper divisors (42294805285).

144531422555 is a wasteful number, since it uses less digits than its factorization.

144531422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561430.

The product of its digits is 480000, while the sum is 41.

Adding to 144531422555 its reverse (555224135441), we get a palindrome (699755557996).

The spelling of 144531422555 in words is "one hundred forty-four billion, five hundred thirty-one million, four hundred twenty-two thousand, five hundred fifty-five".